23320111012 has 24 divisors (see below), whose sum is σ = 47139049440. Its totient is φ = 9976517760.

The previous prime is 23320110973. The next prime is 23320111103. The reversal of 23320111012 is 21011102332.

It is a super-2 number, since 2×23320111012² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15587562 + ... + 15589057.

It is an arithmetic number, because the mean of its divisors is an integer number (1964127060).

Almost surely, 2^23320111012 is an apocalyptic number.

23320111012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23320111012 is an abundant number, since it is smaller than the sum of its proper divisors (23818938428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23320111012 is a wasteful number, since it uses less digits than its factorization.

23320111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176651 (or 31176649 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23320111012 its reverse (21011102332), we get a palindrome (44331213344).

The spelling of 23320111012 in words is "twenty-three billion, three hundred twenty million, one hundred eleven thousand, twelve".